12782205

素因数分解:

$3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{853}}^1$

素因数の和:907

約数の個数: 40

約数和(自身を含む): 23560152

約数和(自身を除く): 10777947

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 333, 405, 555, 853, 999, 1665, 2559, 2997, 4265, 4995, 7677, 12795, 14985, 23031, 31561, 38385, 69093, 94683, 115155, 157805, 284049, 345465, 473415, 852147, 1420245, 2556441, 4260735, 12782205]

約数ペア:

[(1, 12782205), (3, 4260735), (5, 2556441), (9, 1420245), (15, 852147), (27, 473415), (37, 345465), (45, 284049), (81, 157805), (111, 115155), (135, 94683), (185, 69093), (333, 38385), (405, 31561), (555, 23031), (853, 14985), (999, 12795), (1665, 7677), (2559, 4995), (2997, 4265)]